45 lines
1.7 KiB
Java
45 lines
1.7 KiB
Java
|
package net.minecraft.util.parsing.packrat.commands;
|
||
|
|
|
||
|
|
import com.mojang.brigadier.StringReader;
|
||
|
|
import com.mojang.brigadier.exceptions.CommandSyntaxException;
|
||
|
|
import javax.annotation.Nullable;
|
||
|
|
import net.minecraft.util.parsing.packrat.DelayedException;
|
||
|
|
import net.minecraft.util.parsing.packrat.ParseState;
|
||
|
|
import net.minecraft.util.parsing.packrat.Rule;
|
||
|
|
|
||
|
|
public abstract class NumberRunParseRule implements Rule<StringReader, String> {
|
||
|
|
private final DelayedException<CommandSyntaxException> noValueError;
|
||
|
|
private final DelayedException<CommandSyntaxException> underscoreNotAllowedError;
|
||
|
|
|
||
|
|
public NumberRunParseRule(DelayedException<CommandSyntaxException> p_395317_, DelayedException<CommandSyntaxException> p_397647_) {
|
||
|
|
this.noValueError = p_395317_;
|
||
|
|
this.underscoreNotAllowedError = p_397647_;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Nullable
|
||
|
|
public String parse(ParseState<StringReader> p_397291_) {
|
||
|
|
StringReader stringreader = p_397291_.input();
|
||
|
|
stringreader.skipWhitespace();
|
||
|
|
String s = stringreader.getString();
|
||
|
|
int i = stringreader.getCursor();
|
||
|
|
int j = i;
|
||
|
|
|
||
|
|
while (j < s.length() && this.isAccepted(s.charAt(j))) {
|
||
|
|
j++;
|
||
|
|
}
|
||
|
|
|
||
|
|
int k = j - i;
|
||
|
|
if (k == 0) {
|
||
|
|
p_397291_.errorCollector().store(p_397291_.mark(), this.noValueError);
|
||
|
|
return null;
|
||
|
|
} else if (s.charAt(i) != '_' && s.charAt(j - 1) != '_') {
|
||
|
|
stringreader.setCursor(j);
|
||
|
|
return s.substring(i, j);
|
||
|
|
} else {
|
||
|
|
p_397291_.errorCollector().store(p_397291_.mark(), this.underscoreNotAllowedError);
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
protected abstract boolean isAccepted(char p_393505_);
|
||
|
|
}
|